Home / 69,845.36-104,768.03-17,255.84

Finding the Fourth Proportional to 69,845.36, 104,768.03 and 17,255.84

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Solution

The fourth proportional to 69,845.36, 104,768.03 and 17,255.84 is: 25,883.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,845.36 : 104,768.03 = 17,255.84 : x
  2. Step 2: Convert to fraction form
    69,845.36/104,768.03 = 17,255.84/x
  3. Step 3: Cross multiply
    69,845.36x = 104,768.03 × 17,255.84
  4. Step 4: Simplify right side
    69,845.36x = 1,807,859,882.09
  5. Step 5: Solve for x
    x = 1,807,859,882.09/69,845.36
  6. Step 6: Final answer
    x = 25,883.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.